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Which one of the following statements is not true

Which one of the following statements is not true

Options

(a) Variable valencies are shown by the transition elements
(b) Electrons enter into the 3d-orbitals in the first series of the transition elements
(c) Electropositive character decreases in lanthanide elements because of lanthanide contraction
(d) None of the above

Correct Answer:

None of the above

Explanation:

No explanation available. Be the first to write the explanation for this question by commenting below.

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